• Title/Summary/Keyword: Nonlinear AutoRegressive eXogeneous Input Model

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Nonlinear System Identification; Comparison of the Traditional and the Neural Networks Approaches (비선형 시스템규명; 신경회로망과 기존방법의 비교)

  • Chong, Kil-To
    • Journal of the Korean Society for Precision Engineering
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    • v.12 no.5
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    • pp.157-165
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    • 1995
  • In this paper the comparison between the neural networks and traditional approaches as nonlinear system identification methods are considered. Two model structures of neural networks are the state space model and the input output model neural networks. The traditional methods are the AutoRegressive eXogeneous Input model and the Nonlinear AutoRegressive eXogeneous Input model. Computer simulation for an analytic dynamic model of a single input single output nonlinear system has been done for all the chosen models. Model validation for the obtained models also has been done with testing inputs of the sinusoidal, ramp and the noise ramp.

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Comparison of the traditional and the neural networks approaches

  • Chong, Kil-To;Parlos, Alexander-G.
    • 제어로봇시스템학회:학술대회논문집
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    • 1994.10a
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    • pp.134-139
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    • 1994
  • In this paper the comparison between the neural networks and traditional approaches as system identification method are considered. Two model structures of neural networks are the state space model and the input output model neural networks. The traditional methods are the AutoRegressive eXogeneous Input model and the Nonlinear AutoRegressive eXogeneous Input model. The examples considered do not represent any physical system, no a priori knowledge concerning their structure has been used in the identification process. Testing inputs for comparison are the sinusoidal, ramp and the noise ramp.

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